[d2n-analysis-talk] Beta ~ 0 Events

[David Flay]

On Sat, Feb 5, 2011 at 2:20 PM, David Flay <flay at jlab.org> wrote:
>
> The ratio was calculated as follows:
>
> The baseline cut was good electrons (beta > -0.15, GC ADC, PR, T3, EDTM,
> VDC, and target cuts on y, z, and dp).
>
> I then obtain the number of events from this histogram. Call this quantity
> (A).
>
> Then, I impose the cut (beta > -0.15)&&(beta < 0) on top of the other cuts
> already mentioned, and I obtain that number (B).
>
> The ratio is computed as R = A/B, with its error E calculated as:
>

R = B/A, not A/B.


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David Flay
Physics Department
Temple University
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e-mail: flay at jlab.org
           flay at temple.edu

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